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HyperReplication Feature Guide for Block

OceanStor V5 Series V500R007

This document is applicable to OceanStor 5110 V5, 5110F V5, 5300 V5, 5300F V5, 5500 V5, 5500F V5, 5600 V5, 5600F V5, 5800 V5, 5800F V5, 6800 V5, 6800F V5, 18500 V5, 18500F V5, 18800 V5, and 18800F V5. It describes the working principle and application scenarios of the HyperReplication feature (for block). Also, it explains how to configure and manage the feature.
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How Can I Use the Secondary LUN in a Remote Replication Pair?

How Can I Use the Secondary LUN in a Remote Replication Pair?

Question

How can I use the secondary LUN in a remote replication pair?

Answer

A remote replication pair consists of a primary LUN and a secondary LUN. The secondary LUN stores a data duplicate of the data on the primary LUN.

  • In normal cases, the secondary LUN cannot be accessed by a host. To enable a host to access data on the secondary LUN, you can create a snapshot for the secondary LUN and map the snapshot to the host.
  • When the primary LUN fails and services are interrupted, you must perform a primary/secondary switchover to change the secondary LUN to the primary LUN, and then map the new primary LUN to the host.
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Updated: 2019-07-11

Document ID: EDOC1000181492

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